设计开放式通风或密封系统时，常用的低温热水加热设备的类型以及此类设备的选择。交叉引用:英国标准21BS 749BS 759BS 779BS 799:第2BS 799:第3BS 799:第4BS 799:第5BS 853BS 855BS 1394:第1BS 1523BS 1894BS 2594BS 2654BS 2790BS 2871:第1BS 3274BS 3528BS 3533BS 4076BS 4434BS 4504BS4580:第1BS 4814BS 4856BS 4999:第20BS 5141:第2BS 5169BS 5258:第1BS 5304BS 5316:第1BS 5355BS 5410:第2BS 542255440BS 5854BS 5893:第2BS 555BS 58545BS 58540BS 5893部分5955BS 5978BS 6700BS 5986BS 6644BS 6798BS 6880:第1BS 6880部分:第3BS 6901CP 312CP 204DD 65气体法案1972工厂法案，1961年

The types of low temperature hot water heating equipment which are in common use and the selection of such equipment when designing open vented or sealed systems.Cross References:BS 21BS 749BS 759BS 779BS 799:Part 2BS 799:Part 3BS 799:Part 4BS 799:Part 5BS 853BS 855BS 1394:Part 1BS 1523BS 1894BS 2594BS 2654BS 2790BS 2871:Part 1BS 3274BS 3528BS 3533BS 4076BS 4434BS 4504BS 4580:Part 1BS 4814BS 4856BS 4999:Part 20BS 5141:Part 2BS 5169BS 5258:Part 1BS 5304BS 5316:Part 1BS 5355BS 5410:Part 2BS 5422BS 5440BS 5500BS 5643BS 5720BS 5793:Part 2BS 5854BS 5885BS 5955BS 5978BS 6700BS 5986BS 6644BS 6798BS 6880:Part 1BS 6880:Part 3BS 6901CP 312CP 204DD 65Gas Act 1972Factories Act, 1961